Certain |
Possible |
Questionable Doubtful |
Rejected |
|
Confidence is a statement of the site as a medieval fortification or palace |
| Name | Alternative Name(s) | Type | Remains |
| Arkholme with Cawood Chapel Hill | Timber Castle | Earthworks | |
| Ashton Hall | Pele Tower | Masonry ruins/remnants | Blackrod Castle Croft | Timber Castle | Cropmarks/slight earthworks |
| Borwick Hall | Pele Tower | Major | |
| Borwick Motte | Timber Castle | Uncertain | Bradlegh Old Hall | Bradley | Fortified Manor House | Masonry ruins/remnants | Broughton in Amounderness | Broughton in Preston | Tower House | Cropmarks/slight earthworks |
| Buckton Castle | Timber Castle Masonry Castle |
Earthworks | |
| Bury Castle Hill | Timber Castle | Nothing visible | |
| Bury Castle, Lancashire | Fortified Manor House | Masonry footings | |
| Castlestede, Hornby | Castle Stede; Castleton | Timber Castle | Earthworks |
| Clitheroe Castle | Cliderow | Masonry Castle | Masonry ruins/remnants | Clitheroe; The Alleys | Pele Tower | Uncertain | Croston | Timber Castle | Nothing visible |
| Culcheth | Culchet; Chulch | Timber Castle | Nothing visible | Dolphinholme Castle Hill | Timber Castle | Cropmarks/slight earthworks | Elmslack | Pele Tower | Nothing visible | Farleton Castle | Fortified Manor House | Earthworks | Gawthorpe Hall, Lancashire | Pele Tower | Masonry ruins/remnants |
| Greenhalgh Castle | Grenhaugh | Masonry Castle | Masonry ruins/remnants | Gresgarth Hall | Greagarth | Tower House | Masonry ruins/remnants |
| Halton Castle Hill | Timber Castle | Earthworks | |
| Halton Castle, Lathom | Horton; Alton | Fortified Manor House | Earthworks |
| Hapton Castle | Masonry Castle | Masonry footings | Hapton Tower | Pele Tower | Nothing visible | Harringtons Dyke | Roeburndale | Linear Defence or Dyke | Uncertain |
| Heslop | Pele Tower | Uncertain | Heysham Tower | Tower House | Nothing visible |
| Hindley Castle Hill | Timber Castle | Nothing visible | Hoghton Tower | Pele Tower | Nothing visible |
| Hornby Castle, Lancashire | Masonry Castle | Masonry ruins/remnants | |
| Ightenhill | Palace | Cropmarks/slight earthworks | |
| Ireby Over Hall | Tottersgill; Nether Hall | Pele Tower | Major |
| Kirkby | Cherchebi | Uncertain | Nothing visible |
| Lancaster Castle | Timber Castle Masonry Castle |
Major | Lancaster Town Wall | Urban Defence | Cropmarks/slight earthworks |
| Lathom House | Masonry Castle | Nothing visible | Leighton Hall | Fortified Manor House | Masonry footings |
| Liverpool Castle | Leverepul | Masonry Castle | Nothing visible |
| Liverpool, Stanley Tower | The Tower; Lyverpole | Tower House | Nothing visible | Manchester Castle | Mamecestre; Chetham College | Timber Castle Fortified Manor House Masonry Castle |
Nothing visible | Manchester Town Defences | Old Man Castle; Hanging Ditch | Urban Defence | Masonry footings | Marton Peel Tower | Hall stede | Pele Tower | Nothing visible |
| Maurholme Manor | Wharton; Morhull; Mirhull; Mourholme; Merhull; Halstead; Halsteads; Dock Acres Farm | Timber Castle Fortified Manor House |
Nothing visible |
| Melling with Wrayton Castle Mount | Melling Motte | Timber Castle | Earthworks | Newton in Makerfield | Neuton in Makerfeld | Fortified Manor House | Nothing visible |
| Newton Le Willows Castle Hill | Newton in Makerfield | Timber Castle | Earthworks |
| Penwortham Castle Hill | Peneworth | Timber Castle | Earthworks |
| Preston Castle, Lancashire | Tulketh | Timber Castle | Nothing visible | Radcliffe Tower | Radclif | Tower House | Masonry ruins/remnants |
| Rochdale Castle Hill | Timber Castle | Nothing visible | Samlesbury Lower Hall | Gospatricks | Pele Tower | Nothing visible | Smithills Hall | Smithells Hall | Fortified Manor House | Major |
| Thurland Castle | Thusland; Thorslond; Fyrrelande | Masonry Castle | Masonry ruins/remnants |
| Towneley Castle Hill | Timber Castle | Uncertain | Towneley Hall | Pele Tower | Masonry ruins/remnants |
| Turton Tower | Tower House Pele Tower |
Major | Up Holland | Upholland; Holland; Holand | Fortified Manor House | Nothing visible |
| Warrington Mote Hill | Moat Hill; The Mount | Timber Castle | Nothing visible |
| West Derby Castle | Timber Castle | Cropmarks/slight earthworks | Whalley Abbey | Whalleye | Fortified Ecclesiastical site | Masonry ruins/remnants |
| Whitewell Hall Hill | Radun Park | Timber Castle | Cropmarks/slight earthworks | Whittington Hall | Pele Tower | Cropmarks/slight earthworks |
| Whittington Motte | Timber Castle | Cropmarks/slight earthworks |